dfsk.dk is a .dk domain served by 6 nameservers (dns1.zaccodigitaltrustlabs.com, dns2.zaccodigitaltrustlabs.net, dns3.zaccodigitaltrustlabs.se and 3 more). It was registered on 29 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns1.zaccodigitaltrustlabs.com | — | — | — |
| dns2.zaccodigitaltrustlabs.net | — | — | — |
| dns3.zaccodigitaltrustlabs.se | — | — | — |
| dns4.zaccodigitaltrustlabs.se | — | — | — |
| ns1.zaccodns.com | — | — | — |
| ns2.zaccodns.se | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (dfsk.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.dfsk.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | Exists, no address |
| www vs bare domain | Neither resolves dfsk.dk: no address www.dfsk.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025010108 |
| Primary NS (MNAME) | dns1.zaccodigitaltrustlabs.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2023-09-29 |
| Expires | 2027-09-28 (338d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 11:08:05 | 493ms | 6 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 13:23:27 | 862ms | 6 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 02:35:48 shown | 2376ms | 6 NS 0 A 0 MX | 🔓 Insecure |